基于车内流场和温度场分析的双层列车空调风道优化  

Optimization of Bilevel Train Air-conditioning Duct Based on Indoor Flow Field and Temperature Field Analysis

作　　者：韩璐 李良杰 崔蕾 于菲菲 宗建平 HAN Lu;LI Liangjie;CUI Lei;YU Feifei;ZONG Jianping(CRRC Tangshan Co.,Ltd.,063035,Tangshan,China)

机构地区：[1]中车唐山机车车辆有限公司,唐山063035

出　　处：《城市轨道交通研究》2021年第12期34-37,共4页Urban Mass Transit

基　　金：国家重点研发计划资助项目(2016YFB1200504)。

摘　　要：结合TRIZ(发明问题的解决理论)工具和风量分配原则对双层列车空调风道系统进行了结构优化设计,采用CFD(计算流体动力学)仿真分析方法,标准k-ε两方程模型对空调风道及整车车内流场及温度场进行仿真分析和优化设计,分析了车内流场和温度场的分布特性。通过1∶1模型车的风道配套试验验证了计算方法和设计过程的合理性和正确性。Structure optimization design of bilevel train air-conditioning duct system is carried out incorporating TRIZ tool and air volume distribution principle.CFD method and standard k-εtwo-equation model are adopted for simulation analysis and optimization design of the air-conditioning duct,indoor flow field and temperature field of the whole vehicle.The distribution characteristics of indoor flow field and temperature field are analyzed.The rationality and correctness of the calculation method and design process are verified by air duct test of 1∶1 model vehicle.

关 键 词：双层列车 空调通风系统 风道设计 流场分析 计算流体动力学 

分 类 号：U270.383[机械工程—车辆工程]